Toward the Syntheses of Three Dimensional Cage-like Crown Ethers
碩士 === 國立臺灣大學 === 化學研究所 === 92 === It is known that dibenzylammonium ion (DBA+) can complex to dibenzyl[24]crown-8 (DB24C8) and generate the corresponding pseudorotaxane complexes in solution based on the [O…H—N+] hydrogen bonding interaction between both components. We plan to synthesize several th...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2004
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| Online Access: | http://ndltd.ncl.edu.tw/handle/96867162396519361409 |
| Summary: | 碩士 === 國立臺灣大學 === 化學研究所 === 92 === It is known that dibenzylammonium ion (DBA+) can complex to dibenzyl[24]crown-8 (DB24C8) and generate the corresponding pseudorotaxane complexes in solution based on the [O…H—N+] hydrogen bonding interaction between both components. We plan to synthesize several three-dimensional cage-liked crown ethers, which can complex to their proper guest not only with the assistance of the multiple hydrogen bonding interactions but also the π-π stacking interaction between the aromatic rings of the cage-liked crown ethers and guests. The binding strength between these crown ethers and their proper guests is expected to be much stronger than that between DB24C8 and DBA+ based on the multivalency concept. The extremely strong binding strength in this new recognition system certainly will allow us to construct many complicated functional interlocked molecules in the future.
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